Environmental advantages and challenges of nanocellulose reinforced starch-based packaging

Q2 Physics and Astronomy

Physical Sciences Reviews Pub Date : 2023-04-26 DOI:10.1515/psr-2022-0032

Isabella Cícera Dias Miranda, J. López, M. Hernández-Macedo

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Abstract

Abstract Sustainable packaging development with lower environmental impact is urgent due to the petroleum-based plastic accumulation. Thereby, nanocellulose arouses the interest of several industrial sectors as renewable sources material and its mechanical properties for packaging manufacture. Biopolymers such as starch have been an alternative in packaging preparation, although its low mechanical and water resistance represents a challenge for its application. An alternative to improve these starch characteristics is nanocellulose incorporation. Thus, this chapter proposes obtaining nanocellulose from renewable sources, and its environmental advantage to replace plastics. Furthermore, types of nanocellulose, methods for obtaining, and the main physicochemical characteristics of nanocellulose are discussed since this polymer versatility allows its application in several industrial sectors, especially in packaging development. Finally, this review presents the incorporation nanocellulose-based nanocomposites in matrices, aiming to obtain formulations containing active agents to improve mechanical strength and water resistance and packaged product quality.

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纳米纤维素增强淀粉基包装的环境优势与挑战

摘要由于石油基塑料的积累，可持续的低环境影响包装发展迫在眉睫。因此，纳米纤维素作为一种可再生材料及其机械性能引起了许多工业部门的兴趣。生物聚合物如淀粉已成为包装制备中的一种替代方法，尽管其低机械和耐水性对其应用构成挑战。改善这些淀粉特性的另一种方法是加入纳米纤维素。因此，本章提出从可再生资源中获取纳米纤维素，以及其替代塑料的环境优势。此外，还讨论了纳米纤维素的类型、获得方法和纳米纤维素的主要物理化学特性，因为这种聚合物的多功能性允许它在几个工业部门，特别是在包装开发方面的应用。最后，本文综述了纳米纤维素基纳米复合材料在基质中的掺入，旨在获得含有活性剂的配方，以提高机械强度和耐水性，并提高包装产品的质量。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Physical Sciences Reviews MULTIDISCIPLINARY SCIENCES-

CiteScore

2.40

自引率

0.00%

发文量

173